monitor.rb

   1 #!/usr/bin/env ruby
   2
   3 require "ncurses"
   4 require_relative 'ini_read'
   5 require_relative 'windows'
   6 require_relative 'buffer'
   7
   8 def make_bufwins(sections,size)
   9   bufwins = []
  10   sections.each { |section_name,section|
  11     bufwin = Buff_Win.new(Ncurses.COLS()-size*Ncurses.COLS()/100,
  12                            size*Ncurses.COLS()/100,
  13                            section)
  14     bufwins.push(bufwin)
  15   }
  16   return bufwins
  17 end
  18
  19 def update_buffers(bufwins)
  20   bufwins.each do |bufwin|
  21     bufwin.update()
  22   end
  23 end
  24
  25 def redraw_all(list,bufwins,curr_bufwin, size)
  26   bufwins.each do |bufwin|
  27     bufwin.move_resize(Ncurses.COLS()-size*Ncurses.COLS()/100,size*Ncurses.COLS()/100)
  28   end
  29   list.resize(Ncurses.LINES(), size*Ncurses.COLS()/100)
  30   list.clear()
  31   list.print_list()
  32   list.refresh()
  33   curr_bufwin.refresh()
  34 end
  35
  36
  37 inistruct = Ini_read.new()
  38 begin
  39   # initialize ncurses
  40   Ncurses.initscr
  41   Ncurses.start_color
  42   Ncurses.cbreak           # provide unbuffered input
  43   Ncurses.noecho           # turn off input echoing
  44   #Ncurses.nonl             # turn off newline translation
  45   #Ncurses.stdscr.intrflush(false) # turn off flush-on-interrupt
  46   Ncurses.stdscr.keypad(true)     # turn on keypad mode
  47   Ncurses.init_pair(1, Ncurses::COLOR_RED,   Ncurses::COLOR_BLACK)
  48   Ncurses.init_pair(10, Ncurses::COLOR_WHITE,   Ncurses::COLOR_BLACK)
  49
  50
  51   list = List_Win.new(inistruct.sections, inistruct.global['list_size'])
  52   bufwins = make_bufwins(inistruct.sections, inistruct.global['list_size'])
  53   entry = 0
  54   cur_bufwin = bufwins[entry]
  55   cur_bufwin.show_win()
  56   list.print_list()
  57   while(ch = list.getch()) do
  58     case(ch)
  59     when "n".ord
  60       entry = (entry +1) % bufwins.length
  61       cur_bufwin = bufwins[entry]
  62       cur_bufwin.show_win()
  63       list.print_list(entry=entry)
  64     when "p".ord
  65       entry = (entry -1) % bufwins.length
  66       cur_bufwin = bufwins[entry]
  67       cur_bufwin.show_win()
  68       list.print_list(entry=entry)
  69     when 12 #ctrl+L
  70       redraw_all(list,bufwins,cur_bufwin, inistruct.global['list_size'])
  71     when 18 #ctrl+R
  72       cur_bufwin.update(force=true)
  73     when Ncurses::KEY_RESIZE
  74       redraw_all(list,bufwins,cur_bufwin, inistruct.global['list_size'])
  75     when Ncurses::KEY_LEFT
  76       cur_bufwin.hscroll(scroll=-1)
  77     when Ncurses::KEY_RIGHT
  78       cur_bufwin.hscroll(scroll=1)
  79     when Ncurses::KEY_DOWN
  80       cur_bufwin.scroll(scroll=-1)
  81     when Ncurses::KEY_UP
  82       cur_bufwin.scroll(scroll=1)
  83     when Ncurses::KEY_NPAGE
  84       cur_bufwin.scroll(scroll=0,goto=nil,fact=-0.75)
  85     when Ncurses::KEY_PPAGE
  86       cur_bufwin.scroll(scroll=0,goto=nil,fact=0.75)
  87     when Ncurses::KEY_HOME
  88       cur_bufwin.scroll(scroll=0,goto=1.0)
  89     when Ncurses::KEY_END
  90       cur_bufwin.scroll(scroll=0,goto=0.0)
  91     when Ncurses::ERR
  92       update_buffers(bufwins)
  93       cur_bufwin.show_win()
  94     when "q".ord
  95       break
  96     else
  97       next
  98     end
  99   end
 100
 101 ensure
 102   Ncurses.echo
 103   Ncurses.nocbreak
 104   Ncurses.nl
 105   Ncurses.endwin
 106 end